TL;DR: Sudden projectile vomiting in dogs is a high-priority emergency often caused by gastrointestinal obstructions or bloat. Contact an emergency veterinarian immediately and take a photo of the vomit to help with diagnosis.
What should I know about sudden projectile vomiting in my dog?
It can be very alarming to witness your dog experience sudden projectile vomiting. Unlike standard vomiting, which often involves a period of nausea and rhythmic abdominal contractions, projectile vomiting occurs with extreme force and very little warning. It is the powerful expulsion of stomach contents, often indicating that there is a significant physical or neurological trigger causing the stomach to empty rapidly.
How urgent is it if my dog starts projectile vomiting?
- Contact an emergency veterinarian immediately, as this is considered a high-priority emergency.
- Watch for underlying issues such as acute gastrointestinal obstructions from swallowed toys or rocks.
- Be alert for life-threatening conditions like Gastric Dilatation-Volvulus (Bloat).
- Do not wait for an appointment if your dog’s abdomen is swollen or if they appear restless and lethargic.
How does taking a photo of my dog's vomit help with triage?
- Capture clear details of the color, volume, and consistency for the veterinary team.
- Identify the presence of blood, bile, or undigested fragments of foreign objects.
- Provide critical diagnostic information to help the vet determine the level of obstruction or toxicity.
- Allow medical staff to prioritize your dog’s care the moment you arrive at the clinic.
Clinical Context (Merck Veterinary Manual)
Sudden onset projectile vomiting in dogs may be caused by dietary indiscretion, intolerance, ingestion of spoiled or contaminated foods or foreign material, drug or toxin ingestion, systemic illness such as pancreatitis or hypoadrenocorticism, endoparasitism, or bacterial or viral infections. The vomitus may contain bile, food, froth, blood, or evidence of ingested substances. A specific diagnosis should be sought if the animal has had access to foreign objects or toxins, if clinical signs do not resolve within 2 days of symptomatic therapy, or if hematemesis or melena are present. Intraluminal obstruction commonly occurs secondary to foreign body ingestion; intestinal entrapment in hernias or mesenteric rents can result in strangulation of the bowel and rapid hypovolemic shock.
Chapter: Gastroenterology, Toxicology, Emergency
Source: The Merck Veterinary Manual, 11th Edition (Page 387)